Proximity and orientation underlie signaling by the non-receptor tyrosine kinase ZAP70. Graef IA, Holsinger LJ, Diver S, Schreiber SL, Crabtree GR. Proximity and orientation underlie signaling by the non-receptor tyrosine kinase ZAP70. EMBO J. 1997;16(18):5618-28. doi:10.1093/emboj/16.18.5618 Read more